
public class test2 {
public static void main(String[] args) {

byte b1 = 3;
byte b2 = 4;
byte b3 = 3 + 4;
byte b4 = (byte)(b1 + b2);
byte b5 = (byte)(b1 + 4);
System.out.println("b1=" + b1);
System.out.println("b2=" + b2);
System.out.println("b3=" + b3);
System.out.println("b4=" + b4);
System.out.println("b5=" + b5);

}
}
